body{
    overflow-x: hidden; /* 隐藏水平滚动条 */
    overflow-y: hidden; /* 隐藏垂直滚动条 */
    width:100%;
    height:100%;
    display: block;
    margin:0;
}
#myCanvas canvas{
    /*background: #03a9f4;*/
    background: #000000;
    height: 100%;
    width: 100%;
    position: absolute;
}
.cooperation{
    display: flex; /* 使用Flexbox布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    /*color: white;*/
    position:absolute;
    z-index: 2;
    width: 100%;
    height: 100%;
}
.cooperation img{
    opacity: 0.5; /* 0完全透明，1完全不透明 */
    position: absolute;
    /*height: 50%;*/
    width: 100%;
}
.cooperation .contact-way{
    font-size: 30px;
    /*width: 20%;*/
    /*height: 20%;*/
    padding: 50px 100px;
    border-radius: 50px;
    background: #ffffff;
}
#messageForm{
}
#messageForm label{
    font-size: 50px;
}
#messageForm textarea{
    font-size: 20px;
    opacity: 35%;
    width: 100%;
    height: 200px;
    border-radius: 10px;
    position: relative;
}
#messageForm button{
    position: relative;
    opacity:35%;
    font-size: 20px;
    width: 10%;
    height: 40px;
    margin-left: 370px;
    border-radius: 10px;
}